[Editing][DOM][CodeHealth] Make Node::hasEditableStyle global functions.

third_party/WebKit/Source/core/input/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 530 matching lines @@
 static bool isSubmitImage(Node* node)
 {
     return isHTMLInputElement(node) && toHTMLInputElement(node)->type() == InputTypeNames::image;
 }
 
 bool EventHandler::useHandCursor(Node* node, bool isOverLink)
 {
     if (!node)
         return false;
 
-    return ((isOverLink || isSubmitImage(node)) && !node->hasEditableStyle());
+    return ((isOverLink || isSubmitImage(node)) && !hasEditableStyle(*node));
 }
 
 void EventHandler::cursorUpdateTimerFired(Timer<EventHandler>*)
 {
     ASSERT(m_frame);
     ASSERT(m_frame->document());
 
     updateCursor();
 }
 
@@ skipping 166 matching lines @@
     case CURSOR_WEBKIT_GRAB:
         return grabCursor();
     case CURSOR_WEBKIT_GRABBING:
         return grabbingCursor();
     }
     return pointerCursor();
 }
 
 OptionalCursor EventHandler::selectAutoCursor(const HitTestResult& result, Node* node, const Cursor& iBeam)
 {
-    bool editable = (node && node->hasEditableStyle());
+    bool editable = (node && hasEditableStyle(*node));
 
     const bool isOverLink = !selectionController().mouseDownMayStartSelect() && result.isOverLink();
     if (useHandCursor(node, isOverLink))
         return handCursor();
 
     bool inResizer = false;
     LayoutObject* layoutObject = node ? node->layoutObject() : nullptr;
     if (layoutObject && m_frame->view()) {
         PaintLayer* layer = layoutObject->enclosingLayer();
         inResizer = layer->getScrollableArea() && layer->getScrollableArea()->isPointInResizeControl(result.roundedPointInMainFrame(), ResizerForPointer);
@@ skipping 1831 matching lines @@
 
 FrameHost* EventHandler::frameHost() const
 {
     if (!m_frame->page())
         return nullptr;
 
     return &m_frame->page()->frameHost();
 }
 
 } // namespace blink